Forum: Powertrain

Hey guys, A buddy brought his truck over today and it's smoking like a mofo! He admitted to puttin way tooooooo much oil in the engine, not sure...

What transmission does the vortexmax have? 4L65E or 4L80E? The reason I'am asking is b/c in the 06 Silverado brochure it says the vortexmax comes...

Hey guys, I have a used converter from my old 60e, from when it was in my truck. The trans never completely failed, it just slipped on the topend,...

:cry: Anybody know what type of rear end came in a 64 impy??looks like a ford 8.8..no 12 bolt or 10 bolt :nutz: :whack: :doh: :duh:

Hey Fellas, read this site daily, rarely post unless I have something to add. I have a 99 NBS ECSB Z-71. only mods are Ultimatepd Air Intake, PV...

Wassup Yall, I'm going to see if yall can help me decide I'm tring to decide between a Rock-On Level 5 4L60e or just putting a 4L80 in there and...

:help: I was wondering if I cut out my cats what will i need to do to keep my truck running right? I know the guy at the inspection booth so that is...

does anyone make a ypipe that has no cats that will directly replace stock????

Guys I have a 2001 5.3 with a 4L60E trans. in a early model p.u. As you know the early models had mechanical speedometers. Also that the 4L60E was...

My 4.8 powered ( or should I say underpowered) GMC is showing a 0335 code after I installed the new transmission. So my main question is where is the...

I just bought a brand new set of these (88958622) and was wondering if anyone makes a head gasket to lower the compression ratio? I'm also running...

i have a 6.0 motor with 317 casting on the heads,are these heads for lq9 or lq4.the motor was free and needs pistons ,just wondering if these are...

2.02 1.57 PP milled .005 can i run them as is or can i mill them another .010 to bring the CR up or will that be to much mill? will i need shorter...

Lately my 1-2 shift is exceptionally harder than normal. All the other shifts are like usual, but unless I let off the gas for the 1-2, it...

I've got all these plans to make my truck fast, which I will, but I was wondering how all you guys try to launch your trucks. With my truck 100%...

OK, I've been reading the different threads about installing an 02+ LS6 cam in my 5.3 and the difference in the base circle diameter. I need...

I am thinking of installing a cam in my yukon but have no idea whch one to consider. I don't have any major mods done besides exaust (headers to...

Does any one know how or if I can put a 99+ rear end w/ disc. brake's in my 81 chevy truck?

My truck and mods are in my sig. I just bought the cam and will be getting the long tubes soon. My question right now has to do with my exhaust. ...

i was reading the nelson site, and considering if i should send my pcm in or not. but it talks about torque management. what is involved in removing...